atlantic
The pentland firth
The English Channel
The North Sea separates Britain from the mainland of Europe. Britain is an island that has three countries on, which are England, Wales and Scotland. Only England and Scotland have a North Sea coastline.
The Irish Sea.
the orkneys
The sea that separates Ireland and Northern Ireland from Great Britain is called the Irish Sea. The area of sea immediately north of the Irish Sea is called the North Channel, and separates Northern Ireland from Scotland.
The Sea of Japan separates the island of Japan from mainland Korea.
Bass Strait separates mainland Australia from the island state of Tasmania.
Bass Strait separates the mainland of Australia from Tasmania
sea of Japan
The body of water which separates the island state of Tasmania from mainland Australia is Bass Strait.
dardenelles